X CONTENTS. 



CHAPTER III. 

 ON THE RELATION OF ANTS TO PLANTS. 



PAGE 



Flowers and insects — Ants not so important in relation to 

 flowers as bees, but not without influence — Ants seldom 

 promote cross-fertilisation, and hence injurious to flowers — 

 Modes by which they are excluded — Belt — Kerner — 

 Aquatic plants — Moats — Dij}sacus — Slippery surfaces — 

 Gentian, snowdrop, cyclamen — Concealment of honey — 

 Antirrhinum, Linaria, Campanula, Jianuncuhis, Lamium, 

 Primula, Geranium, k,Q. — Protection of honey by thickets 

 of spines or hairs^Protection by viscid secretions — Silene, 

 Senedo, Linncea, Polygonum, &c. — Milky juice — Lactuca — 

 Nectaries on leaves — Leaf-cutting ants — Ants as tree guards 

 — Importance of ants in destroying other insects— Har- 

 vesting ants— Solomon — The Mischna — Meer Hassan Ali — 

 Sykes — Moggridge — Agricultural ants— Lincecum — McCook 50 



CHAPTER IV. 

 RELATIONS TO OTHER ANIMALS. 



Hunting ants — The Driver ants — Ecitons — Insects mimicking 

 ants — Enemies of ants — Parisites — Mites — Phora — Domestic 

 animals of z.xi.i&— Aphides — Eggs of Aphides kept through 

 the winter by ants — Blind beetles — Pets— Progress among 

 ants — Relationsof ants to one another— *S;<'7i«»i7«a — Solenopsit 

 — Slave-making ants — Formica sanguinca — Polyergus — 

 Expeditions of Polyergus — Polyergus fed by the slaves — 

 Strongylognathus — Degradation of Strongylognathus — Aner- 

 gates — Explanation of the present state of Strongylognathus 

 and Anergates — Progress among ants — Phases of life — 

 Hunting, pastoral, and agricultural species . . .63 



CHAPTER V. 



BEHAVIOUR TO RELATIONS. 



Mr. G rote on ' Morali'^y as a necessity of society' — Beha\'iour 

 of ants to one another— Statements of previous writers: 



